fix build and make a comment

.github/workflows/ci.yml

@@ -108,7 +108,7 @@ jobs:
     name: target (${{ matrix.pretty }},${{ matrix.os }})
     runs-on: ${{ matrix.os }}
     needs: [shellcheck, test, generate-matrix, check]
-    if: (github.event_name == 'push' || github.event_name == 'merge_group')  && needs.generate-matrix.outputs.matrix != '{}' && needs.generate-matrix.outputs.matrix != '[]' && needs.generate-matrix.outputs.matrix != ''
+    if: (github.event_name == 'push' || github.event_name == 'merge_group' || github.event_name == 'workflow_call')  && needs.generate-matrix.outputs.matrix != '{}' && needs.generate-matrix.outputs.matrix != '[]' && needs.generate-matrix.outputs.matrix != ''
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}-${{ matrix.pretty }}
       cancel-in-progress: false

.github/workflows/try.yml

@@ -9,3 +9,17 @@ jobs:
     uses: ./.github/workflows/ci.yml
     with:
       matrix-args: try --comment "${{ github.event.comment.body }}" --pr ${{ github.event.issue.number }}
+  comment:
+    needs: try
+    if: always() && needs.try.result != 'skipped'
+    runs-on: ubuntu-latest
+    steps:
+      # comment on the PR with the result and links to the logs using gh cli
+      # Something like `### Try build: [{result}]({link_to_logs})`
+      # the url to the logs are on jobs[name="try"].url gathered with `gh run view ${{ github.run_id }} --json jobs`
+      - name: Comment on PR
+        run: |
+          PR_ID = ${{ github.event.issue.number }}
+          gh run view ${{ github.run_id }} --json jobs |\
+          jq -r '"Diff for [comment]("+$comment+")\n\n- [Run](" + (.jobs[] | select(.name == "try / generate-matrix") | .url) + ")\n" + ([.jobs[] | select(.name | startswith("try / target")) | select(.name | contains("matrix.pretty") | not ) | "- [" + (.name | capture("\\((?<name>[^,]+),.*") | .name) + "](" + .url + "?pr=" + $pr_id + "#step:7:45)"] | join("\n"))' --arg pr_id "$PR_ID" --arg comment "${{ github.event.comment.url }}"|\
+          gh pr comment "$PR_ID" --body "$(< /dev/stdin)"